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| The movement of a free moving organism or cell in a response to an external stimulus such as light. |
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| Growth of all or part of an organism or cell in a response to an external stimulus |
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| Process of a plant growing toward light |
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| The process plants use to conserve energy to survive during harsh conditions |
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| An inherited trait that improves an idividuals ability to survive and reproduce in a particular environment |
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| The science of describing, naming, and classifying organisms. |
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| The division of organisms into groups ,or classes, based on specific characteristics |
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| An aid that is used to identify organisms and that consists of the answers to a series of questions |
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| The process of energy changing from one form into another |
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| An organism that can make its own food by using energy from its surroundings |
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| An organism that gets energy by breaking down the remains of dead organisms or animal wastes and consuming or asorbimg the nutrients |
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| An organism that eats other organisms or organic matter |
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| An organism that eats only plants |
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| An organism that eats animals |
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| An organism that eats both plants and animals |
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| The pathway of energy transfer through various stages as a result of the feeding paterns of a series of organisms |
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| A diagram that shows the feeding relationships between organisms in an ecosystem |
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| A triangular diagram that shows an ecosystem's loss of energy, which results as energy passes through the ecosystem's food chain |
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| A large region characterized by specific type of climatre and certain types of plant and animal communities |
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| The replacement of one type of community by another at a single location over a period of time |
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| A species that colonizes an unhabited area and that starts a process of succesion |
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| The number and variety of organisms in a given area during a specific period of time |
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| A poisotion or role a species has in an ecosystem |
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| all nonliving things in an ecosystem, (rocks, air, water, soil, light, etc) |
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| The first organisms to grow in an unhabitated area that has no soil such as lichens that grow on rocks |
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| All the livings things in an ecosystem,(plants aka flora and animals aka fauna) |
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| A plants response to gravity |
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| The growth in an existing ecosystem that has been damaged by a natural disaster |
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